Deterministic session state management within a global cache array

a global cache and state management technology, applied in the field of web caches, can solve the problems of affecting the overall performance of the computer system, and consuming more cache memory than an equivalent amount of hard disk storag

Inactive Publication Date: 2006-07-13
ORACLE INT CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, accessing this data can take a relatively long time due to the electro-mechanical nature of hard disk drives.
Hence, having to perform numerous disk I / O operations acts as a bottleneck in the flow of data.
As a result, it drastically slows down the overall performance of the computer system.
But since cache memory is volatile, most of the data is stored in the disk array.
Furthermore, cache memory costs more than an equivalent amount of hard disk storage.
Hence, there is only a limited amount of data which can be retained in the cache at any given time.
When the cache is placed in the request path between the browser and the web-server there are potential single points of failure.
With the failure of the cache, all cache content in memory is lost.
Additional complications can be realized when configuring any of these systems in a hierarchy.

Method used

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  • Deterministic session state management within a global cache array
  • Deterministic session state management within a global cache array
  • Deterministic session state management within a global cache array

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[0026] Referring to FIG. 1, a block diagram of a system 100 incorporating features of the present invention is illustrated. Although the present invention will be described with reference to the embodiment(s) shown in the drawings, it should be understood that the present invention can be embodied in many alternate forms of embodiments. In addition, any suitable size, shape or type of elements or materials could be used.

[0027] As shown in FIG. 1, in one embodiment the system 100 includes a cache array 150. The cache array 150 generally comprises a series of cache servers, or computing systems 102-108. The cache array 150 can include any suitable number of cache servers 102-108. The cache array 150 is coupled to one or more origin servers 100-112 (also referred to herein as a collection of webservers). In alternate embodiments, any suitable number of origin servers can be included. A network 120, such as for example the Internet or World Wide Web (“WWW”) couples the cache array 1...

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Abstract

The present invention is directed to binding a user session in an application to a particular coordination point. The method includes recognizing a defined application session in response to an application generated by a cache. A user session and an origin server that generated the response are bound in a session cookie. Subsequent requests are routed to the same origin server that served the application content for each unique user session based on the session cookie.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention generally relates to webcaches, and in particular to maintenance and management of web content. [0003] 2. Brief Description of Related Developments [0004] Computers have become an integral tool used in a wide variety of different applications, such as in finance and commercial transactions, three-dimensional and real-time graphics, computer-aided design and manufacturing, healthcare, telecommunications, education, etc. Computers are finding new applications as their performance and speeds ever increase while costs decrease due to advances in hardware technology and rapid software development. Furthermore, a computer system's functionality and usefulness can be dramatically enhanced by coupling stand-alone computers together to form a computer network. In a computer network, users may readily exchange files, share information stored on a common database, pool resources, communicate via e-mail an...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F15/16
CPCG06F17/30902H04L67/1027H04L67/1034H04L67/02H04L67/1002G06F16/9574H04L67/1001
Inventor FEENAN, JAMES J. JR.LEI, MINGLING, GARY
Owner ORACLE INT CORP
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